Installation 11 
2. 
Connect the negative (black) lead to the negative battery terminal. 
 
 NOTE:  A small amount of arcing may occur when connecting the batteries. This is normal and does not 
damage the unit or present any safety concern. 
3.  Replace the UPS front bezel. 
 
Selecting the UPS voltage configuration 
Using a small tool, position the DIP switches according to the desired voltage configuration as identified 
on the rear panel of the UPS and in the following table. 
 
 NOTE:  An asterisk (*) indicates the default setting.  
 
 
Output voltage  Input voltage range  DIP switch 2  DIP switch 1 
T750 NA/JPN  100 V  90–106 V  Down  Up 
 
110 V  99–116 V  Up  Down 
 
120 V  108–127 V  Up  Up